Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2015  |  Volume : 9  |  Issue : 1  |  Page : 78-81

Study of red blood cell alloimmunization in multitransfused thalassemic children of Jammu region


1 Department of Transfusion Medicine, Government Medical College, Jammu, Jammu and Kashmir, India
2 Department of Community Medicine, Government Medical College, Jammu, Jammu and Kashmir, India

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Ashu Dogra
Opposite Post-Office Muthi, Jammu Tehsil and District Jammu - 181 205, Jammu and Kashmir
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-6247.150958

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Introduction: Thalassemia is one of the most common genetic disorder of hemoglobin synthesis in Jammu region. Although RBC transfusion is life saving for these patients, it may be associated with some complications like RBC alloimmunization. Thus, the aim of this study was to determine the frequency of alloimmunization and the most common alloantibodies involved. Material and Methods: This was a descriptive study involving a total of 70 thalassemic patients in the age range of 2-17 years receiving regular blood transfusions, registered at SMGS Blood Bank, Jammu. Relevant clinical and laboratory data was collected with reference to age at the start of transfusions, total number of transfusions received and splenectomy status. Antibodies screening, antibody identification, and cross matching was done on allpatient samples included in the study, during the period between November 2009 and October 2010. Results: In this study, a total of six alloantibodies six patients (8.5%) and one autoantibody (1.42%) was detected. All identified alloantibodies belonged to Rh system (i.e. anti-E, in 3 patients (50%), anti D, in one patient (16.66%)) and Kell system (anti-K, in two patients (33.34%)). Higher frequency of alloimmunization was found, with increase in number of transfusions and in those who received transfusions after 1 year of age. Alloimmunization was not significantly associated with gender and splenectomy status (P-value > 0.05). Conclusion: Red cell alloantibodies developed in 8.5% of thalassemic patients and 1.42% had autoantibodies. The most common alloantibodies identified were anti Rh system antibodies (anti-E and anti-D) present in 50% and 16.66% of patients respectively. Alloimmunization is not an uncommon problem faced by blood banks and finding compatible units for regularly transfused thalassemic patients may become very difficult. In order to reduce alloimmunization, a policy for performing extended red cell phenotyping of these patients is essential and at least antigen E and Kell negative blood should be provided for transfusion to these patients.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006